<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form style="padding:0 25px" :model="regForm" :rules="regFormRules" ref="regFormRef">
      <el-form-item prop="username">
        <el-input v-model="regForm.username" placeholder="请输入用户名" prefix-icon="el-icon-user">

        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="regForm.password" placeholder="请输入密码" prefix-icon="el-icon-lock">

        </el-input>
      </el-form-item>
      <el-form-item prop="repassword">
        <el-input v-model="regForm.repassword" placeholder="请确认密码" prefix-icon="el-icon-lock">

        </el-input>
      </el-form-item>
      <el-form-item>
        <el-button type='primary' style="width:100%" @click="regNewUser">
          注册
        </el-button>
        <el-link type="info" @click="$router.push('/login')">去登录</el-link>
      </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  methods:{
    regNewUser(){
      this.$refs.regFormRef.validate( async (valid) => {
        //valid：只有检验全部通过结果才为true 反之为false
        if(!valid) return //校验未通过
        console.log('ok');
        //校验通过，执行后续操作
        //发送请求，实现注册
        const {data:res} = await  this.$http.post('/api/reg',this.regForm)
        console.log(res)
        //请求失败，提示用户
        if(res.code !==0) return this.$message.error(res.message)
        //请求成功，提示用户
        this.$message.success(res.message)
        //跳转到登录页面
        this.$router.push('/login')
      })
    }
  },
  data(){
     var samePwd = (rule, value, callback) => {
        if (value === '') {
          callback(new Error('请再次输入密码'));
        } else if (value !== this.regForm.password) {
          callback(new Error('两次输入密码不一致!'));
        } else {
          callback();
        }
      }
    return{
      regForm:{
        username:'',
        password:'',
        repassword:''
      },
    regFormRules:{
    username:[
      { required: true, message: '请输入用户名', trigger: 'blur' },
      {
        pattern:/^[a-zA-Z][a-zA-Z0-9]{0,9}$/,
        message:'用户必须是长度为1~10的字母数字，数字开头不能开头！',
        trigger:'blur'
      }
    ],
    password:[
      { required: true, message: '请输入密码', trigger: 'blur' },
      {
        pattern:/^\S{6,15}$/,
        message:'密码必须是长度6~15非空字符串！',
        trigger:'blur'
      }
    ],

    repassword:[
      
      {
        pattern:/^\S{6,15}$/,
        message:'密码必须是长度6~15非空字符串！',
        trigger:'blur'
      },
      { validator: samePwd, trigger: 'blur' }
    ]
    }
  }
  },
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>

